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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Ozernovskiy in Russia


Earthquake location 50.9181S, 158.9086WA light earthquake magnitude 4.3 (ml/mb) strikes 180 km ESE of Ozernovskiy, Russia (112 miles) on Sunday. The 4.3-magnitude earthquake was detected at 10:28:00 / 10:28 am (local time epicenter). Event id: us7000qr31. Ids that are associated to the earthquake: us7000qr31. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Exact location of event, longitude 158.9086 East, latitude 50.9181 North, depth = 35 km. Exact time and date of earthquake 03/08/25 / 2025-08-03 10:28:00 / August 3, 2025 @ 10:28 am UTC/GMT.

In the past 24 hours, there have been two hundred and thirty-nine, in the last 10 days seven hundred and thirty-nine, in the past 30 days seven hundred and fourty-two and in the last 365 days seven hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 180 km ESE of Ozernovskiy, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 158.9086° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9181° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 180 km ESE of Ozernovskiy, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-03 10:28:00 Time when the event occurred. UTC/GMT
Updated 2025-08-31 08:24:37 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 284 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.115 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 225 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000qr31 Id of event.
Event Code 7000qr31 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qr31, A comma-separated list of event ids that are associated to an event.

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